ローラー ベアリングの転動体となる、中実または中空構造の円筒形本体。
0.3027 inches minimum and 0.3030 inches maximum rolling element diameter, spherical ends optional special features, steel comp e52100 overall material, 0.9800 inches minimum and 1.0000 inches maximum overall length, sae assn std single material response overall material document and classification